220012211101 has 12 divisors (see below), whose sum is σ = 228270018132. Its totient is φ = 212043757184.

The previous prime is 220012211057. The next prime is 220012211119. The reversal of 220012211101 is 101112210022.

It can be written as a sum of positive squares in 6 ways, for example, as 3904375225 + 216107835876 = 62485^2 + 464874^2 .

It is not a de Polignac number, because 220012211101 - 2⁷ = 220012210973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220012211191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233601 + ... + 703273.

It is an arithmetic number, because the mean of its divisors is an integer number (19022501511).

Almost surely, 2^220012211101 is an apocalyptic number.

It is an amenable number.

220012211101 is a deficient number, since it is larger than the sum of its proper divisors (8257807031).

220012211101 is an equidigital number, since it uses as much as digits as its factorization.

220012211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470288 (or 470259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 220012211101 its reverse (101112210022), we get a palindrome (321124421123).

The spelling of 220012211101 in words is "two hundred twenty billion, twelve million, two hundred eleven thousand, one hundred one".